Clean, wash and cut the peppers into strips. Wash, clean and dice the zucchini. Clean, peel and cut carrots into coarse sticks. Clean, grate and halve mushrooms.
Wash thyme, dab dry, remove leaves and chop finely. Heat 1 tablespoon of oil, fry the prepared vegetables and thyme for about 2 minutes, turning them over. Add stock, vinegar and lemon juice, bring to the boil once.
Remove from the heat and season with salt and pepper. Leave to cool. Wash and clean the salad, pluck into bite-sized pieces and drain. Cut feta cheese into 8 pieces. Whisk the egg in a deep plate.
Turn the feta cheese first in egg, then in breadcrumbs. Heat 2 tablespoons of oil in a frying pan, fry the feta on each side for about 1 minute until golden brown. Wash the parsley, dab dry and cut into strips.
Mix salad with marinated vegetables and parsley. Arrange the feta on top.